/* =====================================================
   UTRABERG.ART — styl główny
   ===================================================== */

:root {
  --cream: #f7f5f0;
  --white: #ffffff;
  --ink: #1a1a18;
  --ink-soft: #3a3a36;
  --muted: #8a8880;
  --lavender: #8b7ea8;
  --lavender-light: #d6cfe8;
  --mauve: #9b7d8e;
  --mauve-btn: #7a6b82;
  --border: rgba(26,26,24,0.12);
  --nav-height: 72px;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--cream);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  height: var(--nav-height);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 0.3s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--ink);
}

.nav-link.active::after, .nav-link:hover::after {
  width: 100%;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo-link { display: block; }

.logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  cursor: pointer;
  padding: 2px 4px;
  transition: color 0.2s;
}

.lang-btn.active { color: var(--ink); font-weight: 400; }
.lang-btn:hover { color: var(--ink); }
.lang-sep { color: var(--border); font-size: 0.7rem; }

/* ---- SECTIONS ---- */
.section {
  display: none;
  flex: 1;
  padding: 3rem 3rem 4rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  animation: fadeIn 0.4s ease;
}

.section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- GALERIA ---- */
.gallery-intro {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  cursor: pointer;
}

.gallery-thumb {
  position: relative;
  overflow: hidden;
  background: #e8e5de;
  aspect-ratio: auto;
}

.gallery-thumb img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-thumb img {
  transform: scale(1.03);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,24,0);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  transition: background 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  background: rgba(26,26,24,0.35);
}

.gallery-overlay-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
  color: white;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay-text {
  opacity: 1;
  transform: translateY(0);
}

.gallery-thumb.img-error {
  min-height: 220px;
  background: #e2dfd8;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-thumb.img-error::after {
  content: attr(data-name);
  color: var(--muted);
  font-size: 0.75rem;
  font-style: italic;
}

.gallery-caption {
  padding: 0.6rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.gallery-dims {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.gallery-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ink);
}

/* ---- LIGHTBOX ---- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(18,18,16,0.92);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.lightbox.open { display: flex; }

.lightbox-inner {
  background: var(--cream);
  display: grid;
  grid-template-columns: 1fr 320px;
  max-width: 1100px;
  max-height: 90vh;
  width: 100%;
  overflow: hidden;
  position: relative;
}

.lightbox-img-wrap {
  overflow-y: auto;
  background: #f0ede6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.lightbox-img-wrap > img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.lightbox-visualization {
  width: 100%;
}

.lightbox-visualization img {
  width: 100%;
  height: auto;
  display: block;
}

.lightbox-info {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
  border-left: 1px solid var(--border);
}

.lightbox-dims {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 1.2;
  color: var(--ink);
}

.lightbox-desc {
  font-size: 0.875rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

.lightbox-shop-link {
  margin-top: auto;
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mauve);
  text-decoration: none;
  border-bottom: 1px solid var(--mauve);
  padding-bottom: 2px;
  align-self: flex-start;
}

.lightbox-close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-close:hover { background: rgba(255,255,255,0.15); }

.lightbox-prev, .lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  font-size: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.15); }

/* ---- KATALOG ---- */
.katalog-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.katalog-heading {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--ink);
  margin-bottom: 1rem;
}

.katalog-desc {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.katalog-btn {
  display: inline-block;
  background: var(--mauve-btn);
  color: white;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  padding: 1rem 1.5rem;
  text-decoration: none;
  transition: background 0.2s;
  text-transform: uppercase;
}

.katalog-btn:hover { background: var(--lavender); }

.katalog-btn--alt { background: var(--mauve); }
.katalog-btn--alt:hover { background: #7a6070; }

.katalog-note {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.9;
  max-width: 720px;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

/* ---- KONTAKT ---- */
.kontakt-bg {
  background: var(--ink);
  background-image: url('images/kontakt-bg.jpg');
  background-size: cover;
  background-position: center;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -3rem -3rem 3rem;
  padding: 3rem;
}

.kontakt-card {
  background: rgba(247,245,240,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  padding: 2.5rem 4rem;
  backdrop-filter: blur(4px);
}

.kontakt-col {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.kontakt-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

.kontakt-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.kontakt-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.kontakt-value:hover { border-color: var(--ink); }

.kontakt-social {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background 0.2s;
}

.social-icon:hover { background: var(--mauve); }
.social-icon svg { width: 16px; height: 16px; }

.kontakt-form-section {
  max-width: 640px;
}

.kontakt-form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.kontakt-form { display: flex; flex-direction: column; gap: 1rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-input, .form-textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--ink);
}

.form-textarea { resize: vertical; }

.form-submit {
  align-self: flex-start;
  background: var(--ink);
  color: var(--cream);
  border: none;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  padding: 0.875rem 2rem;
  cursor: pointer;
  transition: background 0.2s;
}

.form-submit:hover { background: var(--mauve-btn); }

/* ---- O ARTYŚCIE ---- */
.artysta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.artysta-photo {
  width: 100%;
  height: auto;
  display: block;
}

.artysta-photo-fallback {
  display: none;
  width: 100%;
  min-height: 400px;
  background: #e8e5de;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-style: italic;
  font-size: 0.875rem;
}

.artysta-name {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.artysta-bio {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.9;
}

/* ---- FOOTER ---- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.5rem 3rem;
}

.footer-seo {
  font-size: 0.6rem;
  color: rgba(26,26,24,0.2);
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.footer-copy {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .site-header { padding: 0 1.5rem; }
  .nav-links { gap: 1.25rem; }
  .section { padding: 2rem 1.5rem 3rem; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }

  .lightbox-inner { grid-template-columns: 1fr; max-height: 95vh; }
  .lightbox-info { border-left: none; border-top: 1px solid var(--border); }

  .katalog-layout { grid-template-columns: 1fr; gap: 2.5rem; }

  .kontakt-bg { margin: -2rem -1.5rem 2rem; }
  .kontakt-card { flex-direction: column; gap: 2rem; padding: 2rem; }
  .kontakt-divider { width: 60px; height: 1px; }

  .artysta-layout { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .site-header { padding: 0 1rem; flex-wrap: wrap; height: auto; padding-top: 0.75rem; padding-bottom: 0.75rem; gap: 0.5rem; }
  .nav-links { gap: 0.75rem; order: 2; width: 100%; }
  .header-right { order: 1; width: 100%; justify-content: flex-end; }
  .nav-link { font-size: 0.65rem; }

  .section { padding: 1.5rem 1rem 3rem; }
  .gallery-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }
}